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We study the effects of low short-term interest rates on the optimal portfolio allocation in Markowitz portfolios and Risk parity portfolios. We propose a measure of Portfolio Instability, gauging the amount of optimal portfolio shifts needed to respond to exogenous shocks to the expected risk...
Persistent link: https://www.econbiz.de/10014278642
Security prices in efficient markets reflect all relevant information. Past price formations and even fundamental …
Persistent link: https://www.econbiz.de/10011113920
A new alternative diffusion model for asset price movements is presented. In contrast to the popular approach of Brownian motion it proposes deterministic diffusion for the modelling of stock price movements. These diffusion processes are a new area of physical research and can be created by the...
Persistent link: https://www.econbiz.de/10005836494
The main conclusion of the FM study relies on the fact that the average of the slopes of 402 regressions of the monthly returns on 20 portfolios on theirs beta coefficients is positive. Considering this set of 402 slopes as a random sample drawn from the same normally distributed population, FM...
Persistent link: https://www.econbiz.de/10009397170
We examine the asymmetric impact of shocks to macroeconomic expectations and their underlying dispersion on equity risk premia across different market regimes. First, we rely on a two-state logit mixture vector autoregressive model and use Consensus Economics survey data on GDP growth,...
Persistent link: https://www.econbiz.de/10014388605
A growing body of literature analyses the impact of news on companies' equity prices. We add to this literature by showing that the transmission channel of news to prices differs across sectors. First, we disentangle sectoral equity prices into components of expected future earnings and equity...
Persistent link: https://www.econbiz.de/10012316963
. The leading example is a financial market, where the rich acquire more financial information than the poor. Contrary to …
Persistent link: https://www.econbiz.de/10012499593
The aim of the following work is to exploit principal econometric tecniques to test the Capital Asset Pricing Model theory in Italian equity markets. CAPM is a financial model which describes expected returns of any assets (or asset portfolio) as a function of the expected return on the market...
Persistent link: https://www.econbiz.de/10005621537
Asset prices are a valuable source of information about financial market participants.expectations about key …
Persistent link: https://www.econbiz.de/10012622575
This paper shows that a decision maker using the CAPM for valuing firms and making decisions may contradict Modigliani and Miller’s Proposition I, if he adopts the widely-accepted disequilibrium NPV. As a consequence, CAPM-minded agents employing this NPV are open to arbitrage losses and miss...
Persistent link: https://www.econbiz.de/10004980381